Home / 7,279.09-10,919.34-2,895.58

Finding the Fourth Proportional to 7,279.09, 10,919.34 and 2,895.58

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Solution

The fourth proportional to 7,279.09, 10,919.34 and 2,895.58 is: 4,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.09 : 10,919.34 = 2,895.58 : x
  2. Step 2: Convert to fraction form
    7,279.09/10,919.34 = 2,895.58/x
  3. Step 3: Cross multiply
    7,279.09x = 10,919.34 × 2,895.58
  4. Step 4: Simplify right side
    7,279.09x = 31,617,822.52
  5. Step 5: Solve for x
    x = 31,617,822.52/7,279.09
  6. Step 6: Final answer
    x = 4,343.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.